This mod makes it so that all fish, bugs, underwater creatures, and traps will be stackable in all inventories (your personal inventory, your travel bag, and containers like crates). It does not change the limitation that prevents you from depositing fish and bugs in containers, but there are other mods that do have that feature you can install as well.

This mod is safe to remove at any time because it does not affect your save file in any way. It is not dangerous to uninstall the mod while you have stacks of things that are not normally stackable: The game does not actually care that things are stacked, it just prevents you from stacking them in the first place, so you will be able to unstack the items and use them just fine, but you won't be able to stack them back again.

Important note: The normal game's code assumes all bugs, fish, and underwater creatures cannot be stacked, so when you donate to the museum it just takes the entire stack. This mod changes that behaviour, but if you uninstall the mod and try to donate from a stack of something, you will lose the entire stack. Make sure to pull one of them out of the stack first.

This is a standard BepInEx 6 mod, so follow the standard Dinkum modding instructions and put the DLL file in your plugins folder. It does not create a config file, so you can disable its function by uninstalling it.